Kinematic shirt back



FIG. 1 is a rear isometric view of a kinematic shirt back in accordance with a first embodiment of the new design;

FIG. 2 is a rear isometric view of a kinematic shirt back in accordance with a second embodiment of the new design;

FIG. 3 is a rear isometric view of a kinematic shirt back in accordance with a third embodiment of the new design; and,

FIG. 4 is a rear isometric view of a kinematic shirt back in accordance with a fourth embodiment of the new design.

The broken lines shown in FIGS. 1-4 are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a kinematic shirt back, as shown and described. 